﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class jianfa:Calculate
    {
        public override void DisplayResult()
        {
            Console.WriteLine("结果是{0}", a - b);
        }

        public jianfa(int a,int b):base(a,b) { 

        }
    }
   
}
